Detections
Analytics

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500328)

critical Nessus Plugin ID 346911

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500328 advisory.

 - net: tun: bound receive headroom (Asim Viladi Oglu Manizada) [Orabug: 40035126] {CVE-2026-81000}
 - xfrm: ah6: validate routing header segments_left (Asim Viladi Oglu Manizada) [Orabug: 40035125] {CVE-2026-80844}
 - RDMA/nldev: Fix locking when accessing mr->pd (Jason Gunthorpe) [Orabug: 40028950] {CVE-2026-74334}
 - tcp: clear sock_ops cb flags before force-closing a child socket (Sechang Lim) [Orabug: 40028948] {CVE-2026-74268}
 - xsk: cache csum_start/csum_offset to fix TOCTOU in xsk_skb_metadata() (Jason Xing) [Orabug: 40028941] {CVE-2026-53250}
 - tcp: fix potential race in tcp_v6_syn_recv_sock() (Eric Dumazet) [Orabug: 40028939] {CVE-2026-43198}
 - ipv4: start using dst_dev_rcu() (Eric Dumazet) [Orabug: 40022810] {CVE-2025-40074}
 - NTB: ntb_netdev: Preserve RX queue depth on allocation failure (Koichiro Den) [Orabug: 40022771] {CVE-2026-74626}
 - inet: frags: publish queues before arming timer (Zhiling Zou) [Orabug: 40022764] {CVE-2026-74662}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-500328.html

Plugin Details

Severity: Critical

ID: 346911

File Name: oraclelinux_ELSA-2026-500328.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/17/2026

Updated: 9/17/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.96

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-74268

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:10, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel-uek-core, p-cpe:/a:oracle:linux:kernel-uek-debug-core, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-core, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek-debug-modules, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-modules-core, p-cpe:/a:oracle:linux:kernel-uek-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek-modules, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek64k-core, p-cpe:/a:oracle:linux:kernel-uek64k-devel, p-cpe:/a:oracle:linux:kernel-uek64k-modules-core, p-cpe:/a:oracle:linux:kernel-uek64k-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek64k-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra, p-cpe:/a:oracle:linux:kernel-uek64k-modules-usb, p-cpe:/a:oracle:linux:kernel-uek64k-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek64k-modules, p-cpe:/a:oracle:linux:kernel-uek64k, p-cpe:/a:oracle:linux:kernel-uek

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 9/17/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2026-43198, CVE-2026-53250, CVE-2026-74268, CVE-2026-74334, CVE-2026-80844, CVE-2026-81000